Abdulkadir, Yakubu, HalidA., AbdulazeezA. Y., GulumbeN. S., RukaiyatM., YakubuC. I., and AnteyiA. “PROCESS FOR REMOVAL OF CHROMIUM ION FROM LEATHER INDUSTRIAL WASTES BY ACTIVATED PURE RICE HUSK”. FUDMA JOURNAL OF SCIENCES 4, no. 4 (June 14, 2021): 334 - 338. Accessed December 4, 2024. https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/490.